854657387 has 4 divisors (see below), whose sum is σ = 854731080. Its totient is φ = 854583696.

The previous prime is 854657381. The next prime is 854657407. The reversal of 854657387 is 783756458.

854657387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 854657387 - 2¹⁶ = 854591851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (854657381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15218 + ... + 44055.

It is an arithmetic number, because the mean of its divisors is an integer number (213682770).

Almost surely, 2^854657387 is an apocalyptic number.

854657387 is a deficient number, since it is larger than the sum of its proper divisors (73693).

854657387 is a wasteful number, since it uses less digits than its factorization.

854657387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73692.

The product of its digits is 5644800, while the sum is 53.

The square root of 854657387 is about 29234.5238887176. The cubic root of 854657387 is about 948.9952024387.

The spelling of 854657387 in words is "eight hundred fifty-four million, six hundred fifty-seven thousand, three hundred eighty-seven".